Problem Description:Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.Solution: 递归。 1 public List>...
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其他好文 时间:
2014-07-07 16:59:12
阅读次数:
169
Problem Description:Given a binary tree, return thepostordertraversal of its nodes' valuesSolution: 1 public List postorderTraversal(TreeNode root) { ...
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其他好文 时间:
2014-07-07 16:45:23
阅读次数:
177
树的层次遍历,比较简单,3个题的做法完全一样,只是在特定的地方对结果进行reverse。1、Binary Tree Level Order Traversal/** * Definition for binary tree * struct TreeNode { * int val; * ...
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其他好文 时间:
2014-07-07 16:39:56
阅读次数:
194
Problem Description:Given a binary tree, return thepreordertraversal of its nodes' values.Solution: 1 public List preorderTraversal(TreeNode root)...
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其他好文 时间:
2014-07-07 16:34:34
阅读次数:
208
非常简单的一道题/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x...
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其他好文 时间:
2014-07-07 16:25:49
阅读次数:
220
http://www.sconsolidator.com/updateInstallationTo use SConsolidator, you first have to installSCons(version 2.0 is the minimum requirement). SConsolid...
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系统相关 时间:
2014-07-07 16:19:42
阅读次数:
458
题目
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down...
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其他好文 时间:
2014-06-30 11:10:34
阅读次数:
211
extjs_07_combobox&tree&chart...
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Web程序 时间:
2014-06-30 10:29:38
阅读次数:
259
题目
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)
You have the following 3 operations permitte...
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其他好文 时间:
2014-06-30 00:46:38
阅读次数:
262
题目
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).
For example,
S = "ADOBECODEBANC"
T = "ABC"
Minimum wi...